Juki
Juki LK-1900S (Computer-Controlled, High-Speed Bartacking Machine)
Juki LK-1900S (Computer-Controlled, High-Speed Bartacking Machine) - Default Title
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Additional Information
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The LK-1900S comes in two different types to allow customers to select the best-suited one
The LK-1900S comes in two different types; i.e., S type (Standard) and H type (for Heavy-weight materials). Customers may select one of these types according to their applications.
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Voice guidance for the operator
This sewing machine is provided as standard with the voice-guidance system with clock function. This voice guidance can be used for the purpose of production support such as giving the operator information about the number of pieces produced, work progress management and the operation rate of sewing machine, though the initial setting is required.
The operation panel is provided as standard with a USB port. This means that the sewing machine data management and software updating can be carried out with ease by means of the USB port.
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The sewing machine provides the sewing area of 30mm (length) × 40mm (width)
With its large sewing area, this sewing machine can be fully utilized for sewing various kinds of sewing patterns such as lengthwise bartacking. In addition, the sewing machine has such a large memory capacity to store many different scale ratios, numbers of stitches and numbers of sewing patterns, thereby ensuring improved flexibility.
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Higher productivity
This sewing machine shortens the total cycle time with its improved capabilities such as the maximum sewing speed of 3,200 sti/min, quick acceleration at the beginning of sewing and quick deceleration at the end of sewing, increased thread trimming speed and work clamp foot lifting speed.
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Higher flexibility
This sewing machine quickly carries out sewing of various kinds of sewing patterns.
The sewing machine is provided as standard with 51 sewing patterns with different stitch directions and number of stitches, such as large bartacking, small bartacking, straight line tacking. The operator can select the best-suited sewing pattern according to the given process. (In some cases, the work clamp foot and other parts may be required to be changed.)
The sewing machine provides the sewing area of 30mm(length) × 40mm(width).
With its large sewing area, this sewing machine can be fully utilized for sewing various kinds of sewing patterns such as lengthwise bartacking. In addition, the sewing machine has such a large memory capacity to store many different scale ratios, numbers of stitches and numbers of sewing patterns, thereby ensuring improved flexibility.
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Feed control systems
The Y-θ intermittent feed system that JUKI has developed for many years has been adopted for the feed control of the LK-1900S.
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Work clamp foot lifting height (max. 17mm)
The sewing machine is provided as standard with the stepping-motor type work clamp foot lifting device. The maximum lifting amount of the work clamp foot is 17 mm.
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Excellent responsiveness promises comfortable work
The direct-drive system that directly connects the compact AC servomotor to the main shaft of the sewing machine has been adopted. This system enables quick startup and promises increased stopping accuracy, thereby contributing to improved responsiveness.
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This sewing machine quickly carries out sewing of various kinds of sewing patterns
The sewing machine is provided as standard with 51 sewing patterns with different stitch directions and number of stitches, such as large bartacking, small bartacking, straight line tacking. The operator can select the best-suited sewing pattern according to the given process. (In some cases, the work clamp foot and other parts may be required to be changed.)
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LED light (light quantity in five levels + light-out function)
The LED light that illuminates the needle entry area is provided as standard. The LED light is provided with the six-step changeover switch to control its brightness and light-out.
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Location of the hand pulley allows the operator to check the needle entry with ease
The hand pulley is located at the arm of machine head. This arrangement helps the operator visually check the needle entry with ease.
| Model name | LK-1900S-SS | LK-1900S-HS | ||
|---|---|---|---|---|
| Application | Standard | For heavy-weight materials | ||
| Lubrication | Semi-dry head (Hook: minute-quantity lubrication) | |||
| Max. sewing speed | 3,200sti/min (at the time of delivery: 2,700sti/min)* | |||
| Sewing area | 30mm (L) × 40mm (W) | |||
| Stitch length | 0.1~10mm (0.1mm step) | |||
| Needle bar stroke | 41.2mm | |||
| Lift of the work clamp foot | Standard 13mm (17mm when the reverse-rotation needle-up function) | |||
| Auto-lifter | Provided as standard (stepping motor type) | |||
| Needle thread tension | Spring type dial thread tension controller | |||
| Needle (at the time of delivery) | DP × 5 (#14) | DP × 17 (#21) | ||
| Hook | Standard shuttle hook | |||
| Number of stitches that can be stored in memory | Max. 20,000 stitches | |||
| Number of standard patterns | 51 patterns | |||
| Number of data that can be input | 200 patterns | |||
| Enlarging / Reducing facility | 20~200% (1% step), Pattern enlargement / reduction can be done by increasing / decreasing the stitch length | |||
| Memory medium | Internal-organs memory | |||
| Bobbin thread counter | Provided as standard (up / down method) | |||
| Lubricating oil | JUKI New Defrix Oil No.2 (equivalent to ISO VG32) | |||
| Sewing machine motor | Compact AC servomotor (direct-drive system) | |||
| Power supply / Power consumption | Single-phase 200~240V / 250VA | |||
| Weight | Machine head (include motor) 42kg, Control box 5.1kg | |||
*sti/min is the abbreviation for “stitches per minute”
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